Side chair seat shell



FIG. 1 is a front isometric view of the side chair seat shell incorporating my new design;

FIG. 2 is a right side elevation view thereof, wherein the left side elevation view is a mirror image thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The portions shown in broken lines illustrate environment only and form no part of the claimed design. 

CLAIM The ornamental design for side chair seat shell, as shown and described. 